Correct Answer: seldom

Solution : The correct choice is the second option .

Seldom is a concise term used to describe occurrences that happen rarely or infrequently, indicating a low frequency or a small number of times.

The meanings of the other options are as follows:

• Habitually refers to doing something regularly or as a habit, implying it's something done consistently or repeatedly.
• Routinely refers to something done as part of a routine or regular practice, suggesting it's done in a systematic or habitual manner.
• Frequently indicates that something happens often or occurs with a high frequency, implying a regular or repeated occurrence at short intervals.